绵疫病引起的烂果 绵疫病在气温高的夏天及暴雨后易发生,发病后使近成熟的青果出现褐色的同心轮纹,形如牛眼,后期使整个果实变成黑褐色腐烂、脱落。防治绵疫病。可在发病初期667平方米用50％可湿性代森锌150克,加水75公斤喷雾,喷药要细致,不漏果。 实腐病引起的烂果 这种病在青果上发生较多,果实表皮常有褐色或黑褐色圆形病斑,略凹陷,用手摸患病部位较坚硬,不软化腐烂,病 Spongy disease caused by rotten cotton blight in the high temperatures in the summer and heavy rain prone to occur, after the onset of nearly mature green appear brown concentric rims, shaped like bull’s eye, the latter part of the whole fruit into a dark brown decay, fall off. Prevention of epidemic disease. Early in the incidence of 667 square meters with 50% wet dexmedezine 150 grams, 75 kilograms of water spray, spray to be meticulous, fruitless. Rotten fruit caused by solid rot This disease occurs more in the fruit, the fruit epidermis often brown or dark brown round spots, slightly depressed, touching the affected parts more hard, not softening decay, disease